Wheel Bolt Versions

CAUTION:

The wheel bolts are different lengths and have ball bearing surfaces depending on the model.

The wheel bolts and wheels will only be secured correctly if the correct wheel bolts are used.

Make sure the correct wheel bolts are installed. Refer to Parts Information.

The ball bearing surfaces of the wheel bolts must be free of grease and clean.

The ball bearing surfaces of the wheel bolts are "not to be greased or oiled".

Cup shape explanations

There are two cup shapes: rounded and conical.

The spherical cap has a curved surface -arrow A- on the section of a sphere. This design was used for original rims.

Fig 1: Identifying Wheel Bolt Versions

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The conical spherical cap has a flat surface -arrow B- on the section of a sphere. This design is used partially on rims from the accessories program.

I - Wheel Bolt with Spherical Cap

II - Wheel Bolt with Cone-Shaped Spherical Cap

NOTE:

Make sure the correct wheel bolts are installed. Refer to Parts Information.

Only the same wheel bolts may be installed on all four wheel rims for every vehicle.

Standard, one-piece wheel bolt.

Fig 2: Identifying One-Piece Wheel Bolt

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Two-piece wheel bolts with short rotatable spherical cap.

Fig 3: Identifying Two-Piece Wheel Bolt, Short Turnable Spherical Calotte, Primarily For S Models

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Two-piece wheel bolts with long rotatable spherical cap.

Fig 4: Identifying Two-Piece Wheel Bolt, Short Turnable Spherical Calotte, Primarily For S Models

Courtesy of AUDI OF AMERICA, LLC